Boys with stomach pain, generally consider the gastrointestinal digestive system causes: I. Dietary factors, if the diet is irregular, overeating, or accidentally eat unhygienic, or even spoiled food, there will be indigestion, stomach pain, diarrhea symptoms, you can take intestinal inflammation to relieve the symptoms. Second, the cold factor, if the abdomen does not pay attention to keep warm, cold, so that the cold into the body, will stimulate the gastrointestinal tract, causing gastrointestinal stress reaction, indigestion, stomach pain symptoms. Third, certain gastric disease factors such as chronic gastritis, gastric ulcer, etc., there will be abdominal distension, abdominal pain symptoms, it is recommended to go to the hospital for the necessary examination, according to the results of the symptomatic treatment. Fourth, appendicitis can also cause stomach pain, also need to go to the hospital for examination and then timely treatment.